Network Security and Management Objectives Acquiring the knowledge of the development, structure and functionality of computer networks Ability to evaluate the security architecture of networked computer systems Ability to evaluate attack mechanisms and security-relevant aspects of networked computer systems Ability to understand and assess mechanisms and strategies to increase the securities of computer networks Ability to manage security-specific mechanisms in computer networks Contents Motivation and OSI security architecture, Security engineering: procedure model, security problems, threats Cryptology, symmetrical and asymmetrical cryptosystems and processes Cryptographic hash functions (MD4/5, Wirpool) Security measures WLAN security Complex security mechanisms (IPSec, SSL/TSL, ssh) Firewall systems